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3VT5 Molded Case Circuit Breakers up to 1600 A
Standard circuit breakers · Releases
6/8
Siemens LV 36 · 2008
6
■
Technical specifications
✔
available,
-- unavailable,
+ in preparation
2) In case, the circiut breaker connection is reversed (input terminals 2, 4, 6
output terminals 1, 3, 5),
I
cu
does not change.
Specifications
3VT5 circuit breakers
Switch disconnectors
Type
Standards
EN 60 947-2, IEC 947-2
EN 60 947-3, IEC 947-3
Approval marks
Number of poles
3
Rated current
I
n
A
630, 1000, 1250, 1600
--
Rated normal current
I
u
A
1600
Rated operational current
I
e
A
--
1600
Rated operational voltage U
e
V
AC max. 690
AC max. 690
DC max. 440
Rated frequency f
n
Hz
50/60
Rated impulse withstand voltage U
imp
kV 8
Rated insulation voltage U
i
V
690
Utilization category (selectivity) AC 690 V
A, B
--
Utilization category (switching mode)
AC 690 V
DC 440 V
--
--
AC-23 B
DC-23 B
Rated short-time withstand current U
e
= AC 690 V
I
cw
/t
20 kA/1 s
Rated ultimate short-circuit breaking capacity
(rms value)
1)
I
cu
85 kA/AC 230 V
55 kA/AC 415 V
45 kA/AC 415 V
20 kA/AC 690 V
--
Off-time at
I
cu
ms
30
--
Rated short-circuit service breaking capacity (rms value)
I
cs
/U
e
45 kA/AC 230 V
36 kA/AC 415 V
30 kA/AC 500 V
20 kA/AC 690 V
--
Rated short-circuit making capacity
(peak value)
I
cm
/U
e
140 kA/AC 415 V
40 kA/AC 415 V
40 kA/AC 440 V
Losses per pole at
I
n
= 250 A
W 120
Mechanical endurance
cycles 10000
Electrical endurance (U
e
= AC 415 V )
4000
Switching frequency
cycles/
hr
120
Operating force
N 230
Front-side device protection
IP40
Terminal protection
IP20
Operating conditions
Reference ambient temperature
°C 40
Ambient temperature range
-40 ... +55
Working environment
dry and tropical climate
Degree of pollution
3
Max. elevation
m 2000
Seismic resistance
Hz
3g (8 ... 50)
Design modifications
Front/rear connection
✔
/
✔
Plug-in version
--
Withdrawable version
✔
Accessories
Switches-auxiliary/relative/signal/leading
✔
/
✔
/--/--
Shunt release/with signal switch
✔
Undervoltage release/with leading switch, with signal switch
✔
/--
Front manual operating mechanism/lateral operating mechanism
right/left
✔
/
✔
Mechanical interlocking to the manual operating mechanism by
Bowden wire
✔
/
✔
Motorized operating mechanism/with operations counter
✔
/
✔
Locking-type lever
✔
Bolt sealing insert/additional cover for overcurrent release
✔
/--